Can't find settings for halo rendering
Starting with Blender version 2.8 the blender internal render engine has been discontinued. So there is and will not be an option like halos or wireframe anymore.
versions 2.79 and older:

To use something similar in the cycles render engine read:
Halo particles don&#39;t render in Cycles
How do you create an aura, or halo effect, like what was possible with the internal Blender Render Engine, in 2.80
Blender cycles won&#39;t render halo particles
and
What is a Point Density texture?